/* Copyright 2009 Google Inc.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

     http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

#import "MBValidToColorTransformer.h"
#import "MBProject.h"

@implementation MBValidToColorTransformer

+ (void)load {
  MBValidToColorTransformer *xformer = [[MBValidToColorTransformer alloc]
                                            init];
  [NSValueTransformer setValueTransformer:xformer
                      forName:@"ValidToColorTransformer"];
  [xformer release];
}

+ (Class)transformedValueClass {
  return [NSColor class];
}

+ (BOOL)allowsReverseTransformation {
  return NO;
}

- (id)transformedValue:(id)value {
  if ([value respondsToSelector:@selector(boolValue)] == NO)
    return nil;

  BOOL valid = [value boolValue];
  if (valid == YES) {
    return [NSColor blackColor];
  } else {
    return [NSColor redColor];
  }
}



@end
